3 Answers

For some reason the sensor is picking up moisture in the gas tank. This could happen since this time of year you have the cooler temperatures at night and warmer threw the day. Try a red bottle of Heat, or a product that has Isopropyl in it. This dissipates the moister that collects inside of the gas tank. Where as a methanol product does not. (yellow bottle of heat)

I have an '07 2500 HD w/6.0L gas & 6 speed auto trans. In my owners manual, it lists two possible types of tranny's, a 6L80E, & a 6L90E. I was wondering how to tell the difference & WHAT is the differ...

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